How To Solve "Cave" Logic Puzzles

We take a look at a staple from the US Puzzle Championships over the year's, the "Cave" puzzle. This puzzle can be found at the following site (but you'll need to register to unlock the files):

http://wpc.puzzles.com/uspc2018/

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▶SOFTWARE◀
We mainly use Duncan's Sudoku Solver, which is available at http://www.littlegogs.com/index.shtml

▶ABOUT US◀
Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships. We're also "cryptic crossword" aficionados. Mark is the eleven-time winner of The Times championship and Simon is the former record holder for most consecutive correct solutions to The Listener crossword. We hope we can help your puzzle solving while also introducing you to some of the world's best puzzles.

Thank you for watching!
Simon and Mark